CNN Anderson Cooper 360 July 27, 2013 00:30:00
Carl, that his now delealed facebook page showed him bragging about driving trains at very high speeds, is that right? >> reporter: it certainly does appear clear from his facebook this is a man for a zest for speed. he posted pictures of the spe speedometer on these trains but that's no inference of wrongdoing. these trains are designed for speed. these trains do go fast, and he is the driver of a fast train. but it's something the investigators will closely be looking at, was the driver at this point on the track going too fast or the conditions, wolf. >> do we actually know, carl, how fast ...